Mercurial > hg > fxanalyse
view dds.h @ 268:ec4462c7f8b7
Extensive cleanup of beatnote specific variables
Reorganize the beatnote specific variables in arrays indexed by the
beatnote enum constants LO, HG, SR. Also reorganize DDS frequency
related variables in arrays indexed by the DDS channel number.
author | Daniele Nicolodi <daniele.nicolodi@obspm.fr> |
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date | Thu, 09 Jul 2015 23:11:00 +0200 |
parents | 5296f3bcd160 |
children |
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#ifndef __FXANALYSE_DDS_H__ #define __FXANALYSE_DDS_H__ typedef long long int64; typedef unsigned long long uint64; static inline uint64 ftw(double clock, double freq) { uint64 ftw = freq * ((double)(1ULL << 48) / clock); return ftw; } static inline double freq(double clock, uint64 ftw) { double freq = (double)ftw * (clock / (double)(1ULL << 48)); return freq; } static inline int strtouint64(const char *str, uint64 *v) { char *end; *v = strtoull(str, &end, 0); if (*end != '\0') return -1; return 0; } #endif